Photo by Melody

PlantFiles: American Hogpeanut
Amphicarpaea bracteata

Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Amphicarpaea (am-fee-KAR-pay-uh) (Info)
Species: bracteata (brak-tee-AY-tuh) (Info)

Synonym:Amphicarpaea bracteata var. bracteata

5 members have or want this plant for trade.

Vines and Climbers

36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

USDA Zone 5b: to -26.1 C (-15 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral kittysue On Sep 16, 2009, kittysue from Fairborn, OH wrote:

I initially thought a vine in my backyard was Galactia volubilis, but after further research, I now suspect it is actually American Hogpeanut (Amphicarpaea bracteata).

Since I've learned about this species, I've gotten the impression that it is less common in its northern range.

Positive melody On Sep 1, 2007, melody from Benton, KY (Zone 7a) wrote:

This plant is very attractive to wildlife. It is found throughout the eastern half of North America, from Florida up into Canada.

The genus name references the fruit of this plant. 'amphi' means 'of both kinds' and 'carpos' means 'fruit'.

This is describing the fact that threre are two different is held above the leaves in a typical vine-like manner. The other flower is low on the plant and produces the 'peanut' below the ground. The upper seeds are inedible to humans, birds feed on them though. Wild hogs and pioneers enjoyed the underground fruits.

Neutral frostweed On Nov 13, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

American Hogpeanut, Amphicarpaea bracteata, is native to Texas and other States.


This plant has been said to grow in the following regions:

Morrilton, Arkansas
Royal Oak, Michigan
Croton On Hudson, New York
Cincinnati, Ohio
Johnson City, Tennessee

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